CN106277588A - A kind of silicon-containing wastewater processing system and process process thereof - Google Patents
A kind of silicon-containing wastewater processing system and process process thereof Download PDFInfo
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- CN106277588A CN106277588A CN201610722198.3A CN201610722198A CN106277588A CN 106277588 A CN106277588 A CN 106277588A CN 201610722198 A CN201610722198 A CN 201610722198A CN 106277588 A CN106277588 A CN 106277588A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/4612—Controlling or monitoring
- C02F2201/46125—Electrical variables
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of silicon-containing wastewater processing system and process process, silicon-containing wastewater sequentially enters regulating reservoir, electric flocculation device and filtering settling pond, filter the solid after precipitation to be reclaimed by silica flour collecting pit, filter the supernatant after precipitation and enter hydrolysis acidification pool, waste water after hydrolysis acidification respectively enters an A/O pond and the 2nd A/O pond carries out biochemical treatment, waste water after oneth A/O pond processes enters the first second pond, supernatant after sedimentation directly discharges, waste water after 2nd A/O pond processes enters the second second pond, supernatant after sedimentation enters high efficiency particulate air filter, recycling after filtration；The silicon-containing wastewater processing system floor space of the present invention is few, saves cost of investment；The silicon-containing wastewater process process of the present invention, without adding coagulant and flocculant, saves operating cost and improves the silica flour purity of recovery；The Industrial Solid Waste that the silicon-containing wastewater of the present invention processes process generation is few, decreases the processing cost of Industrial Solid Waste.
Description
Technical field
The present invention relates to technical field of waste water processing, particularly relate to a kind of silicon-containing wastewater processing system and process technique side
Method.
Background technology
Solar energy is green energy resource, and in the case of Fossil fuel reduces increasingly, solar energy has become the mankind and used the energy
Important component part, and be constantly developed.
Solar panels are the cores in solar power system, are also most important portions in solar power system
Point.At present, solar panels production technology is the most backward, is inevitably generated a large amount of waste water in solar panels production process,
It mainly contains silica flour, carborundum, Polyethylene Glycol, Fluohydric acid., citric acid, detergent and a small amount of surfactant etc., waste water
COD and solid suspension content is higher, can biochemical effects poor.But wherein silica flour has high recycling to be worth, therefore at place
Should take into full account the recovery of silica flour in science and engineering skill, traditional method is to add coagulant and flocculant in waste water so that waste water
In suspended substance sedimentation get off, reach reclaim silica flour purpose.
There is a series of problem in traditional recovery method: 1) addition of flocculant has the closeest with SS content in waste water
The relation cut, the most very few dosage all can affect last outlet effect, increases the difficulty that waste water processes；2) siliceous useless
Water slant acidity, the addition of flocculant destroys pH balance so that water has more corrosivity；3) waste water adds a large amount of PAC, PAM
Cause the increase of follow-up mud Deng flocculant, increase intractability and the processing cost of mud.
Summary of the invention
In order to solve the problems of the prior art, it is an object of the invention to provide a kind of silicon-containing wastewater processing system, it can
To realize safety dumping standard and the recycling of silica flour of waste water.To this end, the present invention also provides a kind of silicon-containing wastewater
Process process.
To achieve these goals, the present invention adopts the following technical scheme that
A first aspect of the present invention, it is provided that a kind of silicon-containing wastewater processing system, including regulating reservoir, electric flocculation device, filters precipitation
Pond, silica flour collecting pit, hydrolysis acidification pool, an A/O pond, the 2nd A/O pond, the first second pond, the second second pond and high efficiency filter
Device, described regulating reservoir is built with silicon-containing wastewater, and described regulating reservoir connects the water inlet of electric flocculation device by first pump housing, described
The outlet of electric flocculation device is connected with the water inlet of filtering settling pond, is provided with blowoff valve, institute outside described filtering settling pond
Stating filtering settling pond to be connected with silica flour collecting pit by blowoff valve, the outlet of described filtering settling pond connects described hydrolysis acidification
The water inlet in pond, the outlet of described hydrolysis acidification pool water inlet with an A/O pond and the 2nd A/O pond respectively is connected, described
The outlet in the oneth A/O pond connects the first second pond, and the outlet in described 2nd A/O pond connects the second second pond, and described second
Second pond connects high efficiency particulate air filter by second pump housing.
Preferably, described electric flocculation device includes that reaction tank, described reaction tank side are provided with water inlet, opposite side top
Being provided with outlet, bottom is provided with sewage draining exit, is provided with plate and cathode plate in described reaction tank, and described plate is with cloudy
Pole pole plate connects positive source and power cathode respectively, is provided with conductivity meter between described plate and cathode plate, described
Conductivity meter, positive source, power cathode connects first control device respectively.
Wherein, described plate is the most identical with the shape of cathode plate and material.
Wherein, described plate and cathode plate are ferrum pole plate or aluminum substrate.
Preferably, described first control device includes processor, electric bridge, operational amplifier and diverter, described process
Device connects electric bridge, described electric bridge concatenation operation amplifier by wire or by diverter, and described processor connects electrical conductivity
Instrument, described operational amplifier connects positive source, and described processor connects power cathode.
Preferably, described filtering settling pond includes that cell body, described cell body side are provided with water inlet pipe, and opposite side is provided with water outlet
Pipe, is provided with central canal in described cell body, described water inlet pipe penetrates described central canal, is provided with around central canal in described cell body
Filtering layer, cell body is divided into settling zone and clear water zone by described filter course.
Preferably, described cell body is cone-shaped structure, and described cell body is as on support, and described cell body lower end is provided with blowdown
Pipe, upper end edge is circumferentially with overflow groove, and the outside of described overflow groove connects outlet pipe.
Preferably, the upper end of described central canal is blind end, and lower end is provided with flow distribution plate, described central canal and flow distribution plate it
Between be provided with oviduct, the upper end of described oviduct connects the lower end of central canal.
Preferably, it is curved end that described water inlet pipe is placed in the one end within central canal, the port of described curved end and water
Plane is parallel, and described filter course is PP cotton filter course, and the upper end of described filter course is provided with and is formed by the tiling of several double end water caps
Water cap layers.
A second aspect of the present invention, it is provided that the process that a kind of silicon-containing wastewater processes, uses at above-mentioned silicon-containing wastewater
Reason system, comprises the steps:
S1, pumps into electric flocculation device by first pump housing by the waste water in regulating reservoir, carries out flocculating sedimentation；
S2, is passed through filtering settling pond by the waste water after S1 post processing, carries out filtering precipitation, opens blowoff valve, by consolidating after precipitation
Body material enters silica flour collecting pit；
S3, filters S2 the supernatant after precipitation and flows into hydrolysis acidification pool, and be hydrolyzed acidification；
S4, the waste water after being processed by S3 enters an A/O pond and the 2nd A/O pond respectively, carries out biochemical treatment；
S5, the waste water after being processed in an A/O pond is flowed into the first second pond, is again settled by the first second pond, sedimentation
After direct discharging of waste water；
S6, the waste water after being processed in the 2nd A/O pond is flowed into the second second pond, is again settled by the second second pond, sedimentation
After waste water pump into high efficiency particulate air filter by second pump housing, filter, recycling.
Preferably, a described A/O pond and the equal 2-4mg/L of dissolved oxygen in the 2nd A/O pond, reflux ratio is 100 ~
300%。
Compared with prior art, the beneficial effect that the present invention realizes: the silicon-containing wastewater processing system floor space of the present invention
Few, save cost of investment；The silicon-containing wastewater processing system of the present invention uses electricity flocculation, and flocculating effect is good, without chemical drugs
Agent, non-secondary pollution, technique and equipment are simple；The silicon-containing wastewater of the present invention processes process without adding coagulant and flocculation
Agent, saves operating cost and improves silica flour purity and the response rate of recovery；The silicon-containing wastewater of the present invention processes technique side
The Industrial Solid Waste that method produces is few, decreases the processing cost of Industrial Solid Waste.
Accompanying drawing explanation
The present invention is further described below in conjunction with the drawings and specific embodiments:
Fig. 1 is the structural representation of silicon-containing wastewater processing system of the present invention；
Fig. 2 is the structural representation of electric flocculation device in silicon-containing wastewater processing system of the present invention；
Fig. 3 is the workflow diagram of the first control device of electric flocculation device in silicon-containing wastewater processing system of the present invention；
Fig. 4 is the structural representation of filtering settling pond in silicon-containing wastewater processing system of the present invention.
Wherein: regulating reservoir 1, electric flocculation device 2, filtering settling pond 3, hydrolysis acidification pool 4, an A/O pond 5, the one or two sinks
Pond 6, silica flour collecting pit 7, the 2nd A/O pond 8, the second second pond 9, high efficiency particulate air filter 10, reaction tank 11, sewage draining exit 12, anode pole
Plate 13, cathode plate 14, positive source 15, power cathode 16, conductivity meter 17, first control device 18, processor 19, electric bridge
20, operational amplifier 21, diverter 22, support 23, blow-off pipe 24, overflow groove 25, cell body 26, water inlet pipe 27, outlet pipe 28, in
Heart pipe 29, filter course 30, settling zone 31, clear water zone 32, flow distribution plate 33, water cap layers 34, oviduct 35, bending section 36.
Detailed description of the invention
Such as Fig. 1, a kind of silicon-containing wastewater processing system, including regulating reservoir 1, electric flocculation device 2, filtering settling pond 3, silica flour is received
Collection pond 7, hydrolysis acidification pool 4, an A/O pond 5, the 2nd A/O pond 8, the first second pond 6, the second second pond 9 and high efficiency particulate air filter
10, described regulating reservoir 1 connects the water inlet of electric flocculation device 2 built with silicon-containing wastewater, described regulating reservoir 1 by first pump housing,
The outlet of described electric flocculation device 2 is connected with filtering settling pond 3, is provided with blowoff valve outside described filtering settling pond 3, described
Filtering settling pond 3 filters the solid after precipitation and enters silica flour collecting pit 7, the supernatant of described filtering settling pond 3 by blowoff valve
Flowing into the water inlet of hydrolysis acidification pool 4, described hydrolysis acidification pool 4 uses the method for routine, under anaerobic, utilizes microorganism
Degraded macromole is small organic molecule, the outlet of described hydrolysis acidification pool 4 respectively with A/O pond 5 and a 2nd A/O pond 8
Water inlet connect, the outlet in a described A/O pond 5 connects the first second pond 6, and the outlet in described 2nd A/O pond 8 connects
Second second pond 9, described second second pond 9 connects high efficiency particulate air filter 10 by second pump housing.
A kind of silicon-containing wastewater processes process, comprises the steps:
S1, pumps into electric flocculation device 2 by first pump housing by the waste water in regulating reservoir 1, carries out flocculating sedimentation；
S2, is passed through filtering settling pond 3 by the waste water after S1 post processing, carries out filtering precipitation, opens blowoff valve, by consolidating after precipitation
Body material enters silica flour collecting pit 7；
S3, filters S2 the supernatant after precipitation and flows into hydrolysis acidification pool 4, and be hydrolyzed acidification；
S4, the waste water after being processed by S3 enters A/O pond 5 and a 2nd A/O pond 8 respectively, carries out biochemical treatment；
S5, the waste water after being processed in an A/O pond 5 flows into the first second pond 6, is again settled by the first second pond 6, heavy
Direct discharging of waste water after fall；
S6, the waste water after being processed in the 2nd A/O pond 8 flows into the second second pond 9, is again settled by the second second pond 9, heavy
Waste water after fall pumps into high efficiency particulate air filter 10 by second pump housing, filters, recycling.
Such as Fig. 2, electric flocculation device 2 includes that reaction tank 11, reaction tank 11 1 side bottom are provided with water inlet, reaction tank 11 another
Upper lateral part is provided with outlet, and bottom is provided with sewage draining exit 12, and reaction tank 11 is internal is provided with plate 13 and cathode plate 14, anode
Pole plate 13 and cathode plate 14 are aluminum electrode plate, and plate 13 and cathode plate 14 are just being respectively connecting to power supply by wire
Pole 15 and power cathode 16, be provided with conductivity meter 17 between plate 13 and cathode plate 14, conductivity meter 17 passes through wire
Connect first control device 18.
Such as Fig. 3, first control device 18 includes that processor 19, processor 19 connect conductivity meter 17, and processor 19 passes through
Two ways connects electric bridge 20, and a kind of mode is for be directly connected to electric bridge 20 by wire, and another way is by diverter 22
Connecting electric bridge 20, electric bridge 20 concatenation operation amplifier 21, resistivity value is converted into resistance value and is delivered to electric bridge 20 by processor 19,
Resistance change rate is converted into voltage and is sent to operational amplifier 21 and carries out computing by electric bridge 20, obtains output voltage values, output electricity
Pressure is forced between plate 13 and cathode plate 14 through positive source 15 and power cathode 16.
The work process of electric flocculation device 2: the water inlet bottom reaction tank 11 of the waste water after regulating reservoir 1 regulation enters anti-
Answer the inside in pond 11, conductivity meter 17 to measure the conductivity value of waste water, and conductivity value signal is sent to processor 19, place
Reason device 19 records conductivity value, and conductivity value is converted into resistance value is sent to electric bridge 20, through electric bridge 20 and operational amplifier
The magnitude of voltage between positive source 15 and power cathode 16, the electricity between positive source 15 and power cathode 16 is obtained after 21 calculating
Pressure value changes along with the change in resistance of waste water, and plate 13 produces aluminium ion, negative electrode pole after positive source 15 is electrolysed
Hydrone at plate 14 occurs electrolysis to produce hydroxide ion, and it is cotton-shaped that aluminium ion is combined generation aluminium hydroxide with hydroxide ion
Body, aluminium hydroxide has the strongest flocculation, it is possible to the Organic substance in absorption supernatant and inorganic matter, makes the volume of flock
Being continuously increased and finally sink to reaction tank 11, discharged by sewage draining exit 12, the clear water produced after flocculation is discharged through outlet.The present invention
Electric flocculation device 2 according to the size of conductivity of waste water value, electrode commutation conductivity value can be set, along with the increasing of electrolysis time
Adding, useless electrical conductivity of water constantly rises, and when rising to electrode commutation conductivity value, leads between processor 19 and diverter 22
Logical, positive source 15 exchanges with power cathode 16, absorption pollutant on plate 13 meeting Automatic-falling after change poles,
Reaction tank 11 is discharged through sewage draining exit 12 under electric flocculation effect.
The electric flocculation device 2 of the present invention sets the magnitude of voltage between pole plate by the conductivity value of waste water, improves electricity
The work efficiency of pole plate, realizes the Automatic pole changing of electric flocculation device 2 by conductivity data feeds back to first control device 18,
Absorption pollutant meeting Automatic-falling on pole plate, discharges reaction tank 11 through sewage draining exit 12, it is ensured that pole plate under flocculation
On do not have the enrichment of pollutant, improve the service life of pole plate.
Such as Fig. 4, filtering settling pond 3 includes that cell body 26, cell body 26 are cone-shaped structure, cell body 26 as on support 23, its
Lower end is provided with blow-off pipe 24, and upper end edge is circumferentially with overflow groove 25, and the outside of overflow groove 25 connects outlet pipe 28, cell body 26 interior
Portion is provided with central canal 29, and the upper end of central canal 29 is blind end, and the lower end of central canal 29 is provided with flow distribution plate 33, central canal 29 with point
Being provided with oviduct 35 between stream plate 33, the side of cell body 26 is provided with water inlet, and water inlet pipe 27 vertically connects through water inlet and wears
Entering described central canal 29, it is curved end 36 that water inlet pipe 27 is placed in the one end within central canal 29, the port of curved end 36 and level
Face is parallel, is radially provided with PP cotton filter course 30 along cell body 26 between central canal 29 and cell body 26, and PP cotton filter course 30 is by cell body
26 inside are divided into settling zone 31 and clear water zone 32, the upper end of PP cotton filter course 30 to be provided with by the tiling of several double end water caps
Water cap layers 34.
The work process of filtering settling pond 3: sewage is flowed into central canal 29 by water inlet pipe 27, flows from top to bottom through central canal 29
Going out, uniformly enter settling zone 31 under flow distribution plate 33 acts on, sewage slowly rises along settling zone 31, and the particulate matter in sewage exists
Action of gravity is lowered into the bottom of cell body, forms mud, and mud is discharged outside pond through blow-off pipe 24, sewage Midst density less than water
Grain and sedimentation velocity can move upward along with current less than the granule of the current rate of climb, rise to PP cotton filter course 30 by PP
Cotton filter course 30 intercepts, and clear water uniformly rises to overflow groove 25 through water cap layers 34, collects through overflow groove 25 and imports to outlet pipe
28, discharge through outlet pipe 28.
Precipitation is combined as a whole by the filtering settling pond 3 of the present invention with the function filtered, it is achieved that particulate matter and clear liquid in sewage
Sharp separation, shorter relative to prior art filtration time, filter efficiency is higher, and solid-liquid separation is the most thorough, reduces and executes
To the requirement that pond is deep during work, decrease the cost of sedimentation tank.
Above-mentioned detailed description of the invention is exemplary, is to preferably make skilled artisans appreciate that this
Patent, it is impossible to be not understood as this patent is included the restriction of scope；As long as according to spirit disclosed in this patent made appoint
How with change or modification, the scope that this patent includes is each fallen within.
Claims (9)
1. a silicon-containing wastewater processing system, it is characterised in that include regulating reservoir (1), electric flocculation device (2), filtering settling pond
(3), silica flour collecting pit (7), hydrolysis acidification pool (4), an A/O pond (5), the 2nd A/O pond (8), the first second pond (6), second
Second pond (9) and high efficiency particulate air filter (10), described regulating reservoir (1) is built with silicon-containing wastewater, and described regulating reservoir (1) passes through the first pump
Body connects the water inlet of electric flocculation device (2), the outlet of described electric flocculation device (2) and the water inlet of filtering settling pond (3)
Connecting, described filtering settling pond (3) outside is provided with blowoff valve, and described filtering settling pond (3) is collected with silica flour by blowoff valve
Pond (7) connects, and the outlet of described filtering settling pond (3) connects the water inlet of described hydrolysis acidification pool (4), described hydrolysis acidification
The outlet in pond (4) water inlet with an A/O pond (5) and the 2nd A/O pond (8) respectively is connected, a described A/O pond (5)
Outlet connects the first second pond (6), and the outlet in described 2nd A/O pond (8) connects the second second pond (9), and the described 2nd 2
Heavy pond (9) connects high efficiency particulate air filter (10) by second pump housing.
2. silicon-containing wastewater processing system as claimed in claim 1, it is characterised in that described electric flocculation device (2) includes reaction
Pond (11), described reaction tank (11) side is provided with water inlet, and opposite side top is provided with outlet, and bottom is provided with sewage draining exit (12),
Plate (13) and cathode plate (14), described plate (13) and cathode plate (14) it is provided with in described reaction tank (11)
Connect positive source (15) and power cathode (16) respectively, between described plate (13) and cathode plate (14), be provided with conductance
Rate instrument (17), described conductivity meter (17), positive source (15), power cathode (16) connects first control device (18) respectively.
3. silicon-containing wastewater processing system as claimed in claim 2, it is characterised in that described first control device (18) includes place
Reason device (19), electric bridge (20), operational amplifier (21) and diverter (22), described processor (19) is by wire or by changing
Connecting electric bridge (20), described electric bridge (20) concatenation operation amplifier (21) to device (22), described processor (19) connects electrical conductivity
Instrument (17), described operational amplifier (21) connects positive source (15), and described processor (19) connects power cathode (16).
4. silicon-containing wastewater processing system as claimed in claim 1, it is characterised in that described filtering settling pond (3) includes cell body
(26), described cell body (26) side is provided with water inlet pipe (27), and opposite side is provided with outlet pipe (28), in being provided with in described cell body (26)
Heart pipe (29), described water inlet pipe (27) penetrates described central canal (29), is provided with around central canal (29) in described cell body (26)
Filter course (30), cell body (26) is divided into settling zone (31) and clear water zone (32) by described filter course (30).
5. silicon-containing wastewater processing system as claimed in claim 4, it is characterised in that described cell body (26) is cone-shaped structure,
Described cell body (26) is as on support (23), and described cell body (26) lower end is provided with blow-off pipe (24), and upper end edge is circumferentially with spilling water
Groove (25), the outside of described overflow groove (25) connects outlet pipe (28).
6. silicon-containing wastewater processing system as claimed in claim 4, it is characterised in that the upper end of described central canal (29) is for closing
End, lower end is provided with flow distribution plate (33), is provided with oviduct (35), described oviduct between described central canal (29) and flow distribution plate (33)
(35) upper end connects the lower end of central canal (29).
7. silicon-containing wastewater processing system as claimed in claim 4, it is characterised in that described water inlet pipe (27) is placed in central canal
(29) internal one end is curved end (36), and the port of described curved end (36) and plane-parallel, described filter course (30) is
PP cotton filter course (30), the upper end of described filter course (30) is provided with by the water cap layers (34) of several double end water caps tiling.
8. the process that silicon-containing wastewater processes, uses the silicon-containing wastewater processing system described in any one of claim 1-7,
It is characterized in that, comprise the steps:
S1, pumps into electric flocculation device (2) by first pump housing by the waste water in regulating reservoir (1), carries out flocculating sedimentation；
S2, is passed through filtering settling pond (3) by the waste water after S1 post processing, carries out filtering precipitation, opens blowoff valve, after sedimentation
Solid matter enters silica flour collecting pit (7)；
S3, filters S2 the supernatant after precipitation and flows into hydrolysis acidification pool (4), and be hydrolyzed acidification；
S4, the waste water after being processed by S3 enters an A/O pond (5) and the 2nd A/O pond (8) respectively, carries out biochemical treatment；
S5, the waste water after being processed in an A/O pond (5) is flowed into the first second pond (6), is carried out again by the first second pond (6)
Sedimentation, the direct discharging of waste water after sedimentation；
S6, the waste water after being processed in the 2nd A/O pond (8) is flowed into the second second pond (9), is carried out again by the second second pond (9)
Sedimentation, the waste water after sedimentation pumps into high efficiency particulate air filter (10) by second pump housing, filters, recycling.
9. the process that silicon-containing wastewater as claimed in claim 8 processes, it is characterised in that a described A/O pond (5) and the
The equal 2-4mg/L of dissolved oxygen in two A/O ponds (8), reflux ratio is 100 ~ 300%.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106746019A (en) * | 2017-01-16 | 2017-05-31 | 浙江中州硅业有限公司 | A kind of industrial silicon p owder production sewage technique |
| CN106865819A (en) * | 2017-03-03 | 2017-06-20 | 四川新能水处理工程有限公司 | IC package technique waste water processing method |
| CN108654165A (en) * | 2017-03-31 | 2018-10-16 | 广州新致晟环保科技有限公司 | Filter device and sludge condensation and modifying device and method using it |
| CN110723849A (en) * | 2019-11-21 | 2020-01-24 | 东莞市三人行环境科技有限公司 | Silicon-containing wastewater silicon removal treatment process and system |
| CN111018063A (en) * | 2019-12-26 | 2020-04-17 | 中科建创工程有限公司 | Coal-containing water treatment system based on electric flocculator |
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| CN106746019A (en) * | 2017-01-16 | 2017-05-31 | 浙江中州硅业有限公司 | A kind of industrial silicon p owder production sewage technique |
| CN106865819A (en) * | 2017-03-03 | 2017-06-20 | 四川新能水处理工程有限公司 | IC package technique waste water processing method |
| CN108654165A (en) * | 2017-03-31 | 2018-10-16 | 广州新致晟环保科技有限公司 | Filter device and sludge condensation and modifying device and method using it |
| CN110723849A (en) * | 2019-11-21 | 2020-01-24 | 东莞市三人行环境科技有限公司 | Silicon-containing wastewater silicon removal treatment process and system |
| CN111018063A (en) * | 2019-12-26 | 2020-04-17 | 中科建创工程有限公司 | Coal-containing water treatment system based on electric flocculator |
| CN111018063B (en) * | 2019-12-26 | 2024-06-28 | 中科建创工程有限公司 | Coal-containing water treatment system based on electric flocculation device |
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Application publication date: 20170104 |